11431120012 has 12 divisors (see below), whose sum is σ = 21543264736. Its totient is φ = 5275901520.

The previous prime is 11431120009. The next prime is 11431120027. The reversal of 11431120012 is 21002113411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109914564 + ... + 109914667.

Almost surely, 2^11431120012 is an apocalyptic number.

It is an amenable number.

11431120012 is a deficient number, since it is larger than the sum of its proper divisors (10112144724).

11431120012 is a wasteful number, since it uses less digits than its factorization.

11431120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219829248 (or 219829246 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11431120012 its reverse (21002113411), we get a palindrome (32433233423).

The spelling of 11431120012 in words is "eleven billion, four hundred thirty-one million, one hundred twenty thousand, twelve".